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101000331131 = 729634378439
BaseRepresentation
bin101111000010000010…
…1101011111101111011
3100122200212221102120212
41132010011223331323
53123322041044011
6114222055341335
710203611435540
oct1360405537573
9318625842525
10101000331131
113991a065747
12176a898184b
1396a7b3455b
144c61c56bc7
152961e8408b
hex178416bf7b

101000331131 has 16 divisors (see below), whose sum is σ = 119429606400. Its totient is φ = 83572237728.

The previous prime is 101000331101. The next prime is 101000331193. The reversal of 101000331131 is 131133000101.

It is a happy number.

It is not a de Polignac number, because 101000331131 - 222 = 100996136827 is a prime.

It is a super-2 number, since 2×1010003311312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101000331101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248410 + ... + 1326848.

It is an arithmetic number, because the mean of its divisors is an integer number (7464350400).

Almost surely, 2101000331131 is an apocalyptic number.

101000331131 is a deficient number, since it is larger than the sum of its proper divisors (18429275269).

101000331131 is an equidigital number, since it uses as much as digits as its factorization.

101000331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84818.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 101000331131 its reverse (131133000101), we get a palindrome (232133331232).

The spelling of 101000331131 in words is "one hundred one billion, three hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 7 29 203 6343 44401 78439 183947 549073 1287629 2274731 15923117 497538577 3482770039 14428618733 101000331131